Diplotaxis glauca is a species of flowering plants of the family Brassicaceae.

[2] It is listed as a critically endangered plant by the IUCN.

[1] The plant was named by Otto Eugen Schulz in 1916.

The local name of the species is mostarda-brabo (wild mustard),[3] a name that may also refer to the related species Diplotaxis gracilis.

Diplotaxis glauca is restricted to the islands of Sal and Boa Vista.